diff --git a/core/modules/field/field.api.php b/core/modules/field/field.api.php
index 095c28d..bc178ed 100644
--- a/core/modules/field/field.api.php
+++ b/core/modules/field/field.api.php
@@ -321,9 +321,9 @@ function hook_field_load($entity_type, $entities, $field, $instances, $langcode,
       // Only process items with a cacheable format, the rest will be handled
       // by formatters if needed.
       if (empty($instances[$id]['settings']['text_processing']) || filter_format_allowcache($item['format'])) {
-        $items[$id][$delta]['safe_value'] = isset($item['value']) ? _text_sanitize($instances[$id], $langcode, $item, 'value') : '';
+        $items[$id][$delta]['safe_value'] = isset($item['value']) ? text_sanitize($instances[$id]['settings']['text_processing'], $langcode, $item, 'value') : '';
         if ($field['type'] == 'text_with_summary') {
-          $items[$id][$delta]['safe_summary'] = isset($item['summary']) ? _text_sanitize($instances[$id], $langcode, $item, 'summary') : '';
+          $items[$id][$delta]['safe_summary'] = isset($item['summary']) ? text_sanitize($instances[$id]['settings']['text_processing'], $langcode, $item, 'summary') : '';
         }
       }
     }
diff --git a/core/modules/node/lib/Drupal/node/Tests/NodeTokenReplaceTest.php b/core/modules/node/lib/Drupal/node/Tests/NodeTokenReplaceTest.php
index 7a9e5f0..633d3f3 100644
--- a/core/modules/node/lib/Drupal/node/Tests/NodeTokenReplaceTest.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodeTokenReplaceTest.php
@@ -52,8 +52,8 @@ function testNodeTokenReplacement() {
     $tests['[node:type]'] = 'article';
     $tests['[node:type-name]'] = 'Article';
     $tests['[node:title]'] = check_plain($node->title);
-    $tests['[node:body]'] = _text_sanitize($instance, $node->langcode, $node->body[$node->langcode][0], 'value');
-    $tests['[node:summary]'] = _text_sanitize($instance, $node->langcode, $node->body[$node->langcode][0], 'summary');
+    $tests['[node:body]'] = text_sanitize($instance['settings']['text_processing'], $node->langcode, $node->body[$node->langcode][0], 'value');
+    $tests['[node:summary]'] = text_sanitize($instance['settings']['text_processing'], $node->langcode, $node->body[$node->langcode][0], 'summary');
     $tests['[node:langcode]'] = check_plain($node->langcode);
     $tests['[node:url]'] = url('node/' . $node->nid, $url_options);
     $tests['[node:edit-url]'] = url('node/' . $node->nid . '/edit', $url_options);
@@ -94,7 +94,7 @@ function testNodeTokenReplacement() {
 
     // Generate and test sanitized token - use full body as expected value.
     $tests = array();
-    $tests['[node:summary]'] = _text_sanitize($instance, $node->langcode, $node->body[$node->langcode][0], 'value');
+    $tests['[node:summary]'] = text_sanitize($instance['settings']['text_processing'], $node->langcode, $node->body[$node->langcode][0], 'value');
 
     // Test to make sure that we generated something for each token.
     $this->assertFalse(in_array(0, array_map('strlen', $tests)), 'No empty tokens generated for node without a summary.');
diff --git a/core/modules/node/node.tokens.inc b/core/modules/node/node.tokens.inc
index d1c9211..241b83b 100644
--- a/core/modules/node/node.tokens.inc
+++ b/core/modules/node/node.tokens.inc
@@ -143,11 +143,11 @@ function node_tokens($type, $tokens, array $data = array(), array $options = arr
 
             // If the summary was requested and is not empty, use it.
             if ($name == 'summary' && !empty($items[0]['summary'])) {
-              $output = $sanitize ? _text_sanitize($instance, $field_langcode, $items[0], 'summary') : $items[0]['summary'];
+              $output = $sanitize ? text_sanitize($instance['settings']['text_processing'], $field_langcode, $items[0], 'summary') : $items[0]['summary'];
             }
             // Attempt to provide a suitable version of the 'body' field.
             else {
-              $output = $sanitize ? _text_sanitize($instance, $field_langcode, $items[0], 'value') : $items[0]['value'];
+              $output = $sanitize ? text_sanitize($instance['settings']['text_processing'], $field_langcode, $items[0], 'value') : $items[0]['value'];
               // A summary was requested.
               if ($name == 'summary') {
                 // Generate an optionally trimmed summary of the body field.
diff --git a/core/modules/text/lib/Drupal/text/Plugin/field/formatter/TextDefaultFormatter.php b/core/modules/text/lib/Drupal/text/Plugin/field/formatter/TextDefaultFormatter.php
index efdf8bb..4a96cc3 100644
--- a/core/modules/text/lib/Drupal/text/Plugin/field/formatter/TextDefaultFormatter.php
+++ b/core/modules/text/lib/Drupal/text/Plugin/field/formatter/TextDefaultFormatter.php
@@ -38,7 +38,7 @@ public function viewElements(EntityInterface $entity, $langcode, array $items) {
     $elements = array();
 
     foreach ($items as $delta => $item) {
-      $output = _text_sanitize($this->instance, $langcode, $item, 'value');
+      $output = text_sanitize($this->instance['settings']['text_processing'], $langcode, $item, 'value');
       $elements[$delta] = array('#markup' => $output);
     }
 
diff --git a/core/modules/text/lib/Drupal/text/Plugin/field/formatter/TextTrimmedFormatter.php b/core/modules/text/lib/Drupal/text/Plugin/field/formatter/TextTrimmedFormatter.php
index 24ae3af..ba8b417 100644
--- a/core/modules/text/lib/Drupal/text/Plugin/field/formatter/TextTrimmedFormatter.php
+++ b/core/modules/text/lib/Drupal/text/Plugin/field/formatter/TextTrimmedFormatter.php
@@ -70,10 +70,10 @@ public function viewElements(EntityInterface $entity, $langcode, array $items) {
 
     foreach ($items as $delta => $item) {
       if ($this->getPluginId() == 'text_summary_or_trimmed' && !empty($item['summary'])) {
-        $output = _text_sanitize($this->instance, $langcode, $item, 'summary');
+        $output = text_sanitize($this->instance['settings']['text_processing'], $langcode, $item, 'summary');
       }
       else {
-        $output = _text_sanitize($this->instance, $langcode, $item, 'value');
+        $output = text_sanitize($this->instance['settings']['text_processing'], $langcode, $item, 'value');
         $output = text_summary($output, $this->instance['settings']['text_processing'] ? $item['format'] : NULL, $this->getSetting('trim_length'));
       }
       $elements[$delta] = array('#markup' => $output);
diff --git a/core/modules/text/text.module b/core/modules/text/text.module
index 37df945..4bf51b6 100644
--- a/core/modules/text/text.module
+++ b/core/modules/text/text.module
@@ -179,9 +179,9 @@ function text_field_load($entity_type, $entities, $field, $instances, $langcode,
       // Only process items with a cacheable format, the rest will be handled
       // by formatters if needed.
       if (empty($instances[$id]['settings']['text_processing']) || filter_format_allowcache($item['format'])) {
-        $items[$id][$delta]['safe_value'] = isset($item['value']) ? _text_sanitize($instances[$id], $langcode, $item, 'value') : '';
+        $items[$id][$delta]['safe_value'] = isset($item['value']) ? text_sanitize($instances[$id]['settings']['text_processing'], $langcode, $item, 'value') : '';
         if ($field['type'] == 'text_with_summary') {
-          $items[$id][$delta]['safe_summary'] = isset($item['summary']) ? _text_sanitize($instances[$id], $langcode, $item, 'summary') : '';
+          $items[$id][$delta]['safe_summary'] = isset($item['summary']) ? text_sanitize($instances[$id]['settings']['text_processing'], $langcode, $item, 'summary') : '';
         }
       }
     }
@@ -204,25 +204,25 @@ function text_field_is_empty($item, $field) {
  * Depending on whether the field instance uses text processing, data is run
  * through check_plain() or check_markup().
  *
- * @param $instance
- *   The instance definition.
- * @param $langcode
+ * @param bool $text_processing
+ *   Whether to process the text via check_markup().
+ * @param string $langcode
  *  The language associated with $item.
- * @param $item
+ * @param array $item
  *   The field value to sanitize.
- * @param $column
+ * @param string $column
  *   The column to sanitize (either 'value' or 'summary').
  *
- * @return
+ * @return string
  *   The sanitized string.
  */
-function _text_sanitize($instance, $langcode, $item, $column) {
+function text_sanitize($text_processing, $langcode, $item, $column) {
   // If the value uses a cacheable text format, text_field_load() precomputes
   // the sanitized string.
   if (isset($item["safe_$column"])) {
     return $item["safe_$column"];
   }
-  if ($instance['settings']['text_processing']) {
+  if ($text_processing) {
     return check_markup($item[$column], $item['format'], $langcode);
   }
   // Escape all HTML and retain newlines.